today we identified christopher jordan dorner as a subject in the double homicide. dorner was an officer in 2009 and reservist for the united states navy. of particular interest at this point in the investigation is a multipage manifesto in which the suspect has implicated himself in the slayings. >> in that manifesto dorner threatened to hurt police officers and their families according to the "l.a. times," dorner was angry with quan's father, he's now retired and may have been involved in dorner's firing in 2009. now the manifesto the writings were posted earlier on a message board. in the meantime authorities say dorner may be involved in three new shootings just this morning, near los angeles. one officer is dead and two others were hurt. on the phone right now, cnn's paul vercannon. this is frightening. >> it is. certainly the los angeles police department they have department headquarters at los angeles and numerous officers out to search for dorner. where one of the shootings occurred where an officer wound up dead and another hurt, they were going into a pro